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7 superlatively spooky forests

Toddler rescued by puppy after 3 days in Russian wilderness

7 of the best running trails in America

Vandals destroy famed 'Duckbill' rock formation

Did you know there are 8 types of glaciers?

Arizona man to live rent-free for life after selling home for $4M

Wildlife rangers put their lives on the lines with little support

The unlikely alliances created by 'Pokémon Go'

5 reasons why biodiversity is a big deal

Why is it so hard to create a national park?

Orchids 101: The biology behind these elegant flowers